1
Gary L Bailey, Leo D Hudson, Sherman R Warren, Ross S Woods: Method and apparatus for hanging tubulars in wells. Formlock, Lyon & Lyon, August 8, 2000: US06098717 (224 worldwide citation)

A well tubular is hung within a casing through placement of the tubular in overlapping relationship with the casing. A spacer may be located therebetween. The tubular is expanded which in turn expands the spacer when used. The tubular is expanded beyond the yield point such that it or an intervening ...


2
Leo D Hudson: Well tool for completing a well. Bestline Liner Systems, Lyon & Lyon, July 16, 1996: US05535824 (163 worldwide citation)

A well tool for drilling in, cementing and completing a liner installation in a single placement. A hydraulic setting tool actuates an adapter sleeve to decouple splines forming a two-direction torque drive. The hydraulic setting tool also actuates a slips set for hanging the liner and a deformable ...


3
Leo D Hudson: Process for completing a well. Bestline Liner Systems, Lyon & Lyon, March 12, 1996: US05497840 (84 worldwide citation)

Processes for completing a well with a well liner which can be accomplished with a single placement of the equipment in the well.


4
Leo D Hudson: Process for completing a well. Bestline Liner Systems, Lyon & Lyon, March 25, 1997: US05613567 (71 worldwide citation)

Process for completing a well with a well liner which can be accomplished with a single placement of the equipment in the well


5
Richard M Dobson, Jefferey D Herndon, Leo D Hudson: Well completion tool and process. Bestline Liner Systems, Lyon & Lyon, June 20, 1995: US05425423 (41 worldwide citation)

An oil well tool including a release mechanism, a splined torque transmitting driver, a liner, an under reamer and a drill bit. Circulation in a passageway through the tool provides drilling foam or fluid to the drill bit and under reamer. A restriction below the under reamer provides pressure to hy ...


6
Richard M Dobson, Jefferey D Herndon, Leo D Hudson: Well completion tool. Bestline Liner Systems, Lyon & Lyon, October 20, 1998: US05823254 (36 worldwide citation)

A well completion system and method including a landing adapter which can be interlocked with a landing ring. A split ring is retained within a groove in the landing adapter which operates to lock the landing adapter with the landing ring. The groove into which the shear ring is positioned has two e ...


7
Richard M Dobson, Jeffrey D Herndon, Leo D Hudson: Bypass tool. Bestline Liner Systems, Lyon & Lyon, November 3, 1998: US05829525 (6 worldwide citation)

A well completion system and method including a landing adapter which can be interlocked with a landing ring. A split ring is retained within a groove in the landing adapter which operates to lock the landing adapter with the landing ring. The groove into which the shear ring is positioned has two e ...


8
Leo D Hudson, Jefferey D Herndon: Apparatus and method for hanging tubulars in wells. Bestline Liner System, Lyon & Lyon, July 9, 2002: US06415863 (6 worldwide citation)

A hanger for use in joining tubulars includes an inner tubular with a first portion of length with increasing wall thickness and a second portion of length with decreasing wall thickness through the same longitudinal direction. A swedge sized to expand the inner tubular beyond the yield point to eng ...


9
Richard M Dobson, Jefferey D Herndon, Leo D Hudson: Well completion tool and process. Bestline Liner Systems, Lyon & Lyon, July 2, 1996: US05531273 (6 worldwide citation)

An oil well tool including a release mechanism, a splined torque transmitting driver, a liner, an under reamer and a drill bit. Circulation in a passageway through the tool provides drilling foam or fluid to the drill bit and under reamer. A restriction below the under reamer provides pressure to hy ...


10
Leo D Hudson, Richard M Dobson, Jefferey D Herndon: Multiple casing segment cementing system. Bestline Liner Systems, Lyon & Lyon, March 31, 1998: US05732775 (6 worldwide citation)

A system including method and apparatus for placing and cementing a plurality of scab liners as well as a surface liner in a well with one placement. A duplex assembly is created using a lower duplex tool having a duplex shoe with a valve assembly positioned in the duplex tool. A scab casing is fixe ...



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